Tuples

This page is under construction. Please come back later.

Tuples1.java

import org.pureprogrammer.Tuple;
import org.pureprogrammer.Utils;

public class Tuples1 {

	public static void main(String[] args) {
		Tuple.T2<String, Integer> pair1 = Tuple.makeTuple("Hello", 5);
		Tuple.T2<Integer, Double> pair2;
		Tuple.T2<String, Double> pair3;

		pair2 = Tuple.makeTuple(3, 3.1415926);
		pair3 = Tuple.makeTuple("Goodbye", 1.5);

		System.out.println(pair1.first() + "," + pair1.second());
		System.out.println(pair2.first() + "," + pair2.second());
		System.out.println(Utils.tupleToString(pair3));
	}
}

Tuples2.java

import org.pureprogrammer.Tuple;

public class Tuples2 {

	public static void main(String[] args) {
		Tuple.T2<String, Integer> pair1 = Tuple.makeTuple("Hello", 5);
		Tuple.T3<String, Integer, Double> tuple1 = Tuple.makeTuple("Goodbye", 3, 3.1415926);
		Tuple.T4<Double, Double, Integer, String> tuple2 = Tuple.makeTuple(1.6, 2.5, 5, "C");

		System.out.println(pair1.first() + "," + pair1.second());
		System.out.println(tuple1.first() + "," + tuple1.second() + "," + tuple1.third());
		System.out.println(tuple2.first() + "," + tuple2.second() + "," + tuple2.third() + "," + tuple2.fourth());
	}
}

Questions

• {{Who's on first?}}
• {{Who's on second?}}
• {{Who's on third?}}

Projects

More ★'s indicate higher difficulty level.

References

• [[Java Language Specification]], Java SE 17 Edition, Gosling, et. al., 2021.
• [[Java Tutorials]]
• [[Java at TutorialsPoint]]
• Download Java at [[Amazon Corretto]], [[Azul Zulu]], [[Eclipse Temurin]] or [[Oracle JDK]]